User Manual
Contents
1. For information on UL applications refer to page 17 Other interface protocols Connection to control system and or PLC via OPC BACnet or other protocols on request COM461MT_D00011_00_M_XXEN 05 2013 61 BENDER Technical data 8 4 Ordering data Power Supply voltage Item Type frequency range Us arro no sumption LISTED COM461MT AC DC 76 276V 3 5 40 VA UL listed B9506 BMS AC 42 460 Hz DC 24W Approval 1021 Ethernet M available For UL applications gateway U AC 76 250V Lloyds 40 150 mA register 42 460 Hz Approval Us DC 76 250 V pending 10 35 mA Absolute values 62 COMA461MT 000011 00 M XXEN 05 2013 BENDER 9 Troubleshooting 9 1 Damage in transit If you find transport damage on receipt of the delivery have this damage con firmed by the delivery agent on handover In case of doubt please contact Bender GmbH amp Co KG Londorfer Strasse 65 35305 Gruenberg Germany 49 6401 807 0 9 2 Malfunctions If the COM461MT causes malfunctions in the connected networks please re fer to this operating manual 9 2 1 What should be checked Check whether e Thedevice is supplied with the correct supply voltage e The BMS bus cable is correctly connected and terminated 120 Q e Theappropriate Ethernet cable RJA5 is correctly connected e The BMS address is correctly set e ThelP a2. Device type Timestamp C D R Channel 1 Channel 2 Channel 3 Channel 4 5 Channel 5 Channel 6 Channel 7 Channel 8 2 Channel 9 Channel 10 Channel 11 Channel 12 2 Channel 13 Channel 14 Channel 15 Channel 16 5 5 Channel 17 Channel 18 Channel 19 Channel 20 2 Channel 21 Channel 22 Channel 23 Channel 24 2 RE Channel 25 Channel 26 Channel 27 Channel 28 Channel 29 Channel 30 Channel 31 Channel 32 5 eo o ho foo lo leu sf tn ho Is o9 la lo 125 Poe en OT eor SE SE SE USE SISSE M uw tv bm Lohn NO SO amp R R RRIR R R RR R R R R RR RR RR R R R R R R R R R R R JR JR 2 amp RR R R R R R R R R R R JR R R R R R R R R R R R R R R R R R R R R R R R JR R R R R R R R JR R R R R JR JR R R JR R R R R JR R R 2 COMA461MT 000011 00 M XXEN 05 2013 UJ N Modbus process image in the memory of the COM461MT BENDER OxFO OxEO 0xDO 20 20 20 20 2 2 2 zm ES zm zm 20 zm 20 20 20 2 20 2 2 20 m 20 zm zm zm 20 20 20 20 Tab 7 2 Modbus address assignment of the channels i
3. gt mo olojojojlo a 9 m M oo oo oo 5 e oo oo oo oo oo oo oo o ee oo oo oo colo oo oo oo m mio oo oo oo 3 e oo oo oo Pigs 5 gt 5 sBurusem pue suue y ca A code with the associated descriptive text is available for each channel The table above only shows an extract from the texts For a complete list of the available codes or texts refer to page 45 COMA461MT 000011 00 M XXEN 05 2013 39 BENDER Modbus process image in the memory of the COM461MT 7 2 6 5 Channel 33 to 64 Bit 7165144 3 2 Meaning 5 9 gig g ge 3 No alarm X X X X X 0 J0 1 Prewarning 8 0 1 0 Device error 1 Reserved lt xixixixixiaslolo Alarm yellow LED e g insulation fault X X X X Alarm red LED XL X X X X 1 110 Reserved X X X X X Reserved X X X X X 1 1 1 Reserved No test 5 0 1 XX X X X X Internal test External test The BMS channels 33 to 64 only provide digital information The information is c
4. duisi 4 5 1 Determining address data 5 The BMS Ethernet gateway 461 23 5 1 Display and operating elements 23 6 Data access using Modbus TCP protocol 25 6 1 Exception COMES 25 COM461MT_D00011_00_M_XXEN 05 2013 3 BENDER Table of Contents 6 2 6 3 6 4 6 5 Mod buis requests ssisssisscdssccssscassnieassssscavesscceatss csshaxacsessanseset easas casecstassneastneanes Modbus responses Structure of the exception code T Modbus address structure for BMS devices 27 7 Modbus process image in the memory of the 461 29 7 1 7 11 71 2 7 2 72 1 7 2 2 7 2 3 7 24 7 2 5 7 2 6 7 2 6 1 7 2 6 2 7 2 6 3 7 2 6 4 7 2 6 5 7 3 7 3 1 7 3 2 7 3 3 7 3 4 74 7 5 8 Technical data 8 1 8 2 8 3 Requesting data siirsin iinne iiinis Modbus function code How are the memory areas organised Memory scheme of the process image BMS device address assignment on the Modbus Memory scheme of an individual BMS device Device name Timestamp C Common alarm and D Device lost device failure Channels 1 to 32 With analogue and or digital values Float Floating point value of the BMS channels A amp T Alarm type and test type internal external R amp U Range and unit Channel description C
5. Terminals A B 120 Q 0 25 W s 1 99 2 erminating resistor evice address BMS bus internal Ethernet mE P 2x R45 ata rate 10 100 Mbit s autodetect P address hnn nnn nnn nnn 192 168 0 254 Subnet mask nnn nnn nnn nnn 255 255 0 0 rotocols TCP IP Modbus TCP NTP COMA461MT D00011 00 M XXEN 05 2013 59 BENDER Technical data General data ING ret DER SE EN 61326 1 Climate classes acc 60721 Stationary use 3K5 Transport Long term storage Operating temperature echanical conditions acc to IEC 60721 Stationary use Transport Long term storage 3 Operating mode Continuous duty unting POSON Display oriented Connection Connection type Screw terminals Connection properties teda 02 4 02 2 5 mm AWG 24 12 Multi conductor connection 2 conductors with the same cross section 02 15 02 15 mm Stripped length Tightening torque Degree of protection internal components IEC 60529 Degree of protection terminals IEC 60529 Type of enclosure Screw fixing Snap on mounting on a DIN rail Flammabili 2 Factory setting 60 COMA461MT D00011 00 M XXEN 05 2013 Technical data E BENDER 8 2 Dimension diagram 74 47 5 31 1
6. in ternal BMS bus Individual devices such as MK800 TM 800 or Bender pan els can communicate via both the internal BMS bus BMS i and the external BMS bus BMS e The BMS Ethernet gateway COM461MT can only com municate via the internal BMS bus BMS i 14 COMA461MT 000011 00 M XXEN 05 2013 Installation connection and commissioning E BENDER lhe dud side mdr fd Modbus RTU BACnet 1 Modbus TcP Modbus TCP Modbus TCP 1 Modbus TCP 1 Modbus TCP LAN Web Web Browser 1 PC2 PC3 TCP IP via ISDN DSL Firewall LAN TCP IP via Ethernet 10 100 Mbit s Layer 2 Switch Web Server Modbus TCP Server Port 80 Port 502 BMS Master Slave COM461MT jJ Rs485 8 eem tj lal EET y 1200 Ul 1200 max 1200 m BMS bus Fig 4 1 Block diagram of a coupling between an internal BMS bus and TCP IP networks COMA461MT D00011 00 M XXEN 05 2013 15 BENDER Installation connecti
7. BENDER The Power in Electrical Safety Manual COM461MT BMS Ethernet gateway for the connection of Bender devices with BMS support to Ethernet TCP IP using the Modbus TCP protocol Software version D402 V1 0x COMA461MT D00011 00 M XXEN 05 2013 BENDER The Power in Electrical Safety Bender GmbH amp Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com Bender GmbH amp Co KG All rights reserved Reprinting only with permission of the publisher Subject to change BENDER Table of Contents 1 Making effective use of this document 1 1 How to use this manual 1 2 Overview of chapters 1 3 Quickreference guide PESESE IVA alsire 9 2 1 Work activities on electrical installations 22 Intended use 2 3 Address setting and termination 24 Protection against unauthorized access 3 Product description 3 1 Scope of supply 3 2 A short description 3 3 Properties 3 4 Possible applications 4 Installation connection and commissioning 4 1 Preliminary considerations 42 COM461MT on the internal BMS bus 43 Installing the device 4 4 Connecting the device 4b COMMISSIONING
8. Modbus process image in the memory of the COM461MT Measured value Value description Note alarm message operating message 126 Ox7E Q1 Fault 127 0x7F Q2 Fault 128 0x80 No Master 129 0x81 Device error 130 0x82 131 0x83 Fault RS 485 132 0x84 133 0x85 134 0x86 135 0x87 136 0x88 137 0x89 Short circuit Q1 138 0x8A Short circuit Q2 139 0x8B CV460 CV460 fault 140 0x8C RK4xx Fault RK4xx 52 COMA461MT D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER Measured value Value description Note alarm message operating message 141 0x8D Address collision a 142 0x8E Invalid address 143 0x8F Several masters 144 0x90 No menu access 145 0x91 Own address 201 0xC9 Line 1 normal op 202 OxCA Line 2 normal op 203 OxCB Switch el 1 on 204 OxCC Switch el 2 on 205 0xCD 206 OxCE Auto mode 207 OxCF Manual mode 208 0 00 COMA461MT D00011 00 M XXEN 05 2013 53 BENDER Modbus process image in the memory of the COM461MT Measured value description Value alarm message Note operating message 209 0xD1 210 0xD2 Line AV on 211 0xD3 Line SV on 212 0xD4 Line UPS on 213 0xD5 Channel disabled 214 0xD6 SwitchBa
9. fictitious value Byte 11 12 Value register 1 0x2345 fictitious value 6 4 Structure of the exception code Byte Name Example Byte 7 MODBUS function code 0x84 Byte 8 Exception code 0x01 or 0x02 6 5 Modbus address structure for BMS devices Number of Number of Function Address range bytes words Device name 0x00 0x09 20 bytes 10 words Timestamp Ox0A 0x0D 8 bytes 4 words OxOE Common alarm high byte 1 byte 0 5 words No BMS bus OxOE connection low byte 1 byte 0 5 words Not used OxOF 2 bytes 1 word Channel 1 32 0x10 0x8F 32 x 8 bytes 128 words Alarm and test Channel 33 64 0x90 0xFC 218x8 bytes 109 words COMA461MT D00011 00 M XXEN 05 2013 27 BENDER Data access using Modbus TCP protocol 28 COMA461MT 000011 00 M XXEN 05 2013 BENDER 7 Modbus process image in the memory of the COM461MT The device holds a process image in the memory This image represents the current statuses and values of up to 150 BMS devices for each monitored in ternal BMS bus 7 1 Requesting data 7 1 1 Modbus function code The memory in the COM461MT can be read using the Modbus function 4 Read input registers The volume of the data requested depends on the number of bytes selected in the Modbus client used Up to 125 words 0x7D can be read with a single request An individual addressable byte such as the set bi
10. 0 X X X X X X No test E 0 1 X X X X X x Internal test 1 O X X X X External test The alarm type is coded by the bits 0 to 2 The bits 3 and 4 are reserved and always have the value 0 Bit 5 usually has the value 0 and represents the digital value of the status This column is relevant for the SMI472 only Bit 6 or 7 are usually set when an internal or external test has been completed Other values are reserved The complete byte is calculated from the sum of the alarm type and the test type 36 COMA461MT D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 2 6 3 R amp U Range and unit Bit Unit 1 Meaning Invalid init ojo No unit E Q ojojoj of N A V ojo 96 Hz CO CO OF u Baud F ojo H F Second ojo Minute Hour Day Month Reserved CODE X X XxX X X X X X X X OK OK x x x x x x x x o X X XxX X X X X X X X X X X X x OK X xX Reserved X x x x x x x X X x x x x x x N Reserved x Reserved COMA461MT D00011 00 M XXEN 05 2013 37 BENDER Modbus process image i
11. 0x04 Slave device error 0x05 Acknowledgement of receipt response delayed 0x06 Request not accepted repeat request if necessary 0x08 Memory parity error Gateway path not available Gateway error COM461MT_D00011_00_M_XXEN 05 2013 25 BENDER Data access using Modbus TCP protocol 6 2 Modbus requests The required words of the process image can be read from the input registers in the COM461MT using the function code FC4 For this purpose the start ad dress and the number of registers to be read need to be entered Example The words 0 and 1 are to be read from the input registers 0x100 and 0x101 Byte Name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 Protocol identifier 0x0000 Byte 4 5 Length field 0x0006 Byte 6 Unit identifier 0x01 Byte 7 MODBUS function code 0x04 Byte 8 9 Device address BMS int 0x0100 corresponds to the 0x100 internal BMS address 1 internal BMS bus address assignment Byte 10 11 Number of words 0x0002 6 3 Modbus responses The responses consist of 2 bytes per register The MSB is the first byte Byte Name Example Byte 7 MODBUS function code 0x04 Byte 8 Byte count 0x04 26 461 D00011 00 M XXEN 05 2013 Data access using Modbus TCP protocol BENDER Byte Name Example Byte 9 10 Value register 0 0x1234
12. 3 0 00 Compressed air 10 bar COM461MT_D00011_00_M_XXEN 05 2013 45 BENDER Modbus process image in the memory of the COM461MT Measured value Value description Note alarm message operating message 14 OxOE Failure nitrogen 15 OxOF Failure CO2 16 0x10 Insulation UPS Insulation fault UPS 17 0x11 Overload UPS 18 0x12 Converter UPS 19 0x13 UPS fault 20 0x14 UPS emergency opera tion 21 0x15 UPS test run 22 0x16 Failure air conditioning 23 0x17 Batt op OP L Battery operated operat ing theatre light 24 0x18 Batt op OP S Battery operated Sat OP light 25 0x19 Fail norm supply Failure normal power supply 26 0x14 Fail safet supply ae safety power sup 46 COM461MT_D00011_00_M_XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER Measured value Value description alarm message operating message 27 0x1B Failure UPS Failure additional power supply 28 0x1C Ins safety supply 29 0x1D Fail N conductor 30 Ox1E Short distr panel Short circuit distribution panel 31 Ox1F 32 0x20 33 0x21 34 0x22 Standby function Measuring function 35 0x23 switched off standby 36 0x24 37 0x25 38 0x26 Batt op UPS Battery operation special safety power supply 39 0x27 Phase sequ left COM461MT_D00011_00_M_XXEN 05 2013 4
13. 7 BENDER Modbus process image in the memory of the COM461MT Measured value description Value alarm message Note operating message 40 0x28 Failure UPS aon safety 41 0x29 66 0x42 67 0x43 Function test by Date 68 0x44 Service by Date 69 0x45 Ins fault locat Insulation fault location 70 0x46 Peak Fault EDS system 71 0x47 Insulation fault Insulation resistance in Q 72 0x48 Current Measured value in A 73 0x49 Undercurrent 74 4 Overcurrent 75 0x4B Residual current Measured value in A 76 0x4C Voltage Measured value in V 48 COM461MT_D00011_00_M_XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER Measured value Value description Note alarm message operating message 77 0x4D Undervoltage 78 0x4E Overvoltage 79 0x4F Frequency Measured value in Hz 80 0x50 81 0x51 Asymmetry 82 0x52 Capacitance Measured value in F 83 0x53 Temperature Measured value in C 84 0x54 Overload Measured value in 85 0x55 Digital input State 0 or 1 86 0x56 Insulation fault Impedance 87 0x57 Insulation fault insulation 88 0x58 Load Measured value in 89 0x59 Total Hazard Current THC 90 0x5A Inductance Measured value in H COMA461MT D00011 00 M XXEN 05 2013 49 BENDER Modbus process image in th
14. Register Register Function Ext Int Channel Comma nd 1 1 150 0 1 Test Isometer 1 1 150 0 2 Test changeover device PRC 1 1 150 0 3 Start automatic test changeover 1 22 end after time T test 1 1 150 0 4 Start test generator without changeover 1 1 150 0 5 Switchover to line 1 1 1 150 0 6 Switchover to line 2 1 0 0 7 RESET alarm broad cast 1 0 0 8 RESET alarm EDS broadcast 1 1 150 0 9 Buzzer off for alarm address BC 1 1 150 1 12 10 Switch on relay switch 1 1 150 1 12 11 Switch off relay switch 58 461 D00011 00 M XXEN 05 2013 BENDER 8 Technical data Factory setting 8 1 Tabular data Insulation co ordination according to IEC 60664 1 Rated voltage Rated impulse voltage pollution degree Supply voltage Supply voltage V Frequency range U Power coffs IFIDHOTL ctc ettet btt ter ote tutte utei See ordering data LED indicators 2 x Ethernet ETH1 ETH2 act link llluminates when connected to the network flashes during data transmission D ec Operation indicator Interfaces BMS bus internal Interface protocol RS 485 BMS bus internal Operating mode Master slave slave Baudrate BMS iritermal ottico tentia la ea c due het 9 6 kBit s Cable length lt 1200 Cable twisted pair shielded shield connected to J Y St Y 20 8 Connection BMS internal
15. T BENDER 7 2 2 Memory scheme of an individual BMS device BMS devices can feature various types of analogue and or digital channels Please take into consideration that there are device specific differences e BMS devices usually feature 12 channels MK800 TM800 supports up to 64 digital channels in the master mode e channels 33 to 64 transmit digital messages only Use the tables on page 30 and page 33 to determine the start address to re quest the following device parameters e Device name e Timestamp Common alarm e Device error e BMSchannel Example In our example data is to be requested from channel 2 of the device with BMS address 3 How is the start address determined to send the request for the channel In our example the relevant cells in the table are marked bold 1 For BMS device address 3 the first part of the address 0x03 high byte is taken from Table 7 1 2 Forchannel 2 the second part of the address 0x14 low byte is taken from Table 7 2 For the number of words to be requested the number 4 is taken from the same table 0x14 to 0x17 0x04 3 The start address 0x0314 is formed from the high byte and low byte COMA461MT D00011 00 M XXEN 05 2013 31 BENDER Modbus process image in the memory of the COM461MT Memory image of a BMS device 9 80 1 23 5 6 7 8 9 A B C D E o z
16. Time synchronisation for all BMS bus devices e Integrated Ethernet switch 2 x RJ45 10 100 Mbit s e Operation on the internal BMS bus e Modbus TCP data access to the internal BMS bus max 150 BMS devices e Commands can be sent from an external application e g data display software to BMS devices and measured values read COMA461MT 000011 00 M XXEN 05 2013 11 BENDER Product description 3 4 Possible applications e Usage of professional data display programs by converting the BMS data to the Modbus TCP protocol e Observing and analysing Bender products that support communica tion such as RCMS EDS and MEDICS systems COMA461MT D00011 00 M XXEN 05 2013 4 Installation connection and commissioning The BMS Ethernet gateway is normally integrated into existing LAN struc tures but can also be operated via a single PC on the Ethernet side If you are familiar with the configuration of computer networks you can carry out the connection of the COM461MT yourself Otherwise please contact your EDP administrator 4 1 Preliminary considerations BENDER 1 Have all the questions as regards the installation been answered by the technician responsible for the installation 2 The device is operated on the internal BMS bus Is the BMS address to be set known If apart from the COM461MT an alarm indicator and test combination MK800 is connected to the internal bus the COM461MT must not have the ad
17. ame address range Connect a COM46OIP with option C to the network Set address data again using COM460IP Connect a COMA60IP with option A to the network Read address data using COM460IP e Install an IP scanner on a PC in the network and find address e Have COM461MT reset to the factory setting by Bender 22 COMA461MT D00011 00 M XXEN 05 2013 BENDER 5 The BMS Ethernet gateway COM461MT 5 1 Display and operating elements V BENDER cowae COMTRAXX Fig 5 1 COM461MT front panel Key 1 ON LED lights when supply voltage is applied 2 Ron off beside terminals A B Switch for terminating the BMS bus When the device is installed at the end of the bus set the terminating switch to on COM461MT_D00011_00_M_XXEN 05 2013 23 BENDER The BMS Ethernet gateway COM461MT 24 COMA461MT 000011 00 M XXEN 05 2013 BENDER 6 Data access using Modbus TCP protocol Requests are sent to the Modbus TCP server in the COM461MT using function code FC4 read input register The server generates a function related re sponse and sends it to the Modbus client 6 1 Exception code If a request cannot be answered for whatever reason the server sends a so called exception code with which possible faults can be narrowed down Exception Description code 0x01 Impermissible function 0x02 Impermissible data access 0x03 Impermissible data value
18. ckLock T 215 0 07 Phase sequ right 216 0 08 Switch el 0 217 OxD9 Line BSV on 218 OxDA On SMO48x Alarm relay 54 COMA461MT 000011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT To convert the data of parameters you will need data type descriptions Text representation is not necessary in this case BENDER Value Description of parameters 1023 Ox3FF Parameter measured value invalid The menu item for this parameter is not displayed 1022 Ox3FE No measured value no message 1021 Ox3FD Measured value parameter inactive Measured value parameter only temporarily inactive 1020 e g during the transfer of a new parameter Display in the menu 1019 Ox3FB Parameter measured value unit not displayed 1018 Ox3FA Parameter code selection menu unit not displayed 1017 Ox3F9 String max 18 characters e g device type variant 1016 Ox3F8 1015 7 Time 1014 Ox3F6 Date day 1013 5 Date month 1012 Ox3F4 Date year 1011 0x3F3 Register address unit not displayed 1010 2 Time COMA461MT D00011 00 M XXEN 05 2013 55 BENDER Modbus process image in the memory of the COM461MT Value Description of parameters 1009 0x3F1 Factor multiplication 1008 Factor divi
19. ddress is correctly set e The Settings page on the COM461MT web server can be opened using a web browser e The network parameters are correctly set as a minimum the IP address and subnet mask COMA461MT D00011 00 M XXEN 05 2013 63 BENDER Troubleshooting 9 2 2 Where do you go to get help If despite thorough study of the technical manual and intensive trouble shooting in your installation you cannot rectify the fault related to the BMS Ethernet gateway COM461MT please contact our Service department Tel 49 6401 807 760 or 0700BENDERHELP Fax 49 6401 807 259 E mail info bender service com 64 COMA461MT 000011 00 M XXEN 05 2013 BENDER INDEX A Address assignment 10 Application with internal BMS bus 15 B BMS bus 14 BMS device address assignment on the Modbus 30 Byte offset 43 Byte or word swapping 43 C COM460IP on the internal BMS bus 15 Commissioning 19 D Damage in transit 63 Determining address data 22 Dimension diagram 61 Display and operating elements 23 E Exception code 25 F Factory setting 20 Intended use 9 M Malfunctions 63 Measured value descriptions for the process image list 45 Memory image of a BMS device 32 Memory scheme of the process image 30 Modbus Address structure for BMS devices 27 Control commands 57 Function code 29 Process image 29 Requests 26 Responses 26 Ordering data 62 Overview of chapters 7 P Process image 30 Prod
20. dress 1 master You will find more detailed information on the BMS topic in particular about the wiring of bus devices in the separate document BMS bus You can download the document from the download area of the web site www bender de com 3 Request network data from the technician responsible for the installa tion The IP address and subnet mask are to be set manually 4 Ask for the IP address of the NTP server which is required for automatic time setting 5 Are suitable PC hardware and software available for commissioning Minimum system requirements 1 6 GHz processor 512 MB RAM Windows XP Vista 7 Web browser For initial connection the basic configuration of the COM461MT is to be un dertaken outside the installation depending on the specific situation COMA461MT D00011 00 M XXEN 05 2013 13 E BENDER Installation connection and commissioning 4 2 461 on the internal BMS bus Bender systems such as EDS46x 49x RCMS46x 49x and MEDICS communi cate with each other via the Bender measuring device interface BMS The BMS Ethernet gateway COM461MT provides the coupling between the BMS bus and TCP IP networks The internal Modbus TCP server in the COM461MT communicates with the Modbus TCP client via these networks The following block diagram illustrates the operation of the gateway on the internal BMS bus Internal and external BMS bus The majority of Bender devices communicate via
21. e memory of the COM461MT Measured value Value description Note alarm message operating message 97 0x61 Service code Information about service intervals 101 0x65 Mains power connec tion 102 0x66 Earth connection 103 0x67 Short CT CT short circuit 104 0x68 No CT connected Short temp sensor Short circuit temperature 105 0x69 sensor 106 0x6A Temp sensor open Connection temperature sensor 107 Ox6B K1 Fault contactor K1 108 0x6C K2 Fault contactor K2 109 0x6D 50 461 D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER Measured value Value description Not alarm message operating message 110 Ox6E 111 Ox6F No address Failure BMS device 112 0x70 113 0x71 Failure K1 01 Failure contactor 1 1 114 0x72 Failure K2 Q2 Failure contactor K2 Q2 115 0x73 Device error Fault ISOMETER 116 0x74 Manual mode K1 2 manual mode 117 0x75 Open circuit K1on Line to K1 on interrupted 118 0x76 Open circ K10ff Line to K1 off interrupted 119 0x77 Open circuit K2 on Line to K2 on interrupted 120 0x78 Open circ K2 off Line to K2 off interrupted 121 0x79 K O1on Fault 122 0x74 K Q1 off Fault 123 0x7B K Q2on Fault 124 0x7C K Q2off Fault 125 0x7D Failure K3 COMA461MT D00011 00 M XXEN 05 2013 51 BENDER
22. ective use of this document This chapter gives you instructions on how to use this documentation e Safety instructions This chapter describes the dangers during installation and when oper ating the device e Product description This chapter describes the scope of delivery and features of the product COM461MT_D00011_00_M_XXEN 05 2013 7 BENDER Making effective use of this document e Installation connection and commissioning This chapter shows the steps to take up to commissioning e The BMS Ethernet gateway COM461MT This chapter describes the display and operating elements e Data access using Modbus TCP protocol Describes how to send requests to the Modbus TCP server in the COM461MT and how the responses are to be interpreted Modbus process image in the COM461MT s memory In this chapter the representation of BMS data on Modbus TCP struc tures is described in detail e Technical data In addition to the technical data you will find here ordering data e Troubleshooting This chapter offers service and support in case of malfunction In addi tion you will also find here information on our Technical Service department e Index The key word index assists you in finding the term you are searching for 1 3 Quick reference guide Connection of the COM461MT If you are familiar with the installation and connection of electrical devices as well as networking particularly with Ethernet you can start right away with
23. es Word 0x00 0x01 0x02 0x03 HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte Channel Floating point value Float AT amp T Every analogue BMS device channel can contain alarm messages operating messages measured values test messages and descriptive text Both ana logue and digital information can be transmitted AT amp T Alarm type and test type internal external R amp U Range and unit For details on the channel description refer to chapter 7 4 7 2 6 1 Float Floating point value of the BMS channels 5 0x00 0x01 Ei HiByte LoByte HiByte LoByte co RIRIA e Representation of the bit order for processing analogue measured values cording to IEEE 754 5 Sign Exponent M Mantissa COMA461MT D00011 00 M XXEN 05 2013 35 BENDER Modbus process image in the memory of the COM461MT 7 2 62 A amp T Alarm type and test type internal external Bit 7165 3142 Meaning 5 9 35 2 5 i 52225 No alarm 00 1 Prewarning 8 1 0 Device error rr 1 1 Reserved XxIixixix 1 0 0 Alarm yellow LED e g insulation fault 1 0 1 Alarm LED X X X X X 1 1 0 Reserved X X X X X Reserved X X X X X 1 1 1 Reserved 0
24. ess IP address of the 192 168 0 254 COM461MT Subnet Subnet mask of the 255 255 0 0 COM461MT Bms Address on the internal 2 address BMS bus Modbus Enable or disable control On control via Modbus Ntp IP address of the NTP 192 168 0 123 Server server is required for auto address matically setting the time UTC Time zones setting 1 12 13 UTC 1h CET UTC 2h UTC 4 3hz 20 COMA461MT D00011 00 M XXEN 05 2013 Installation connection and commissioning E BENDER Para Factory Modified Meaning 8 meter setting setting Summer Select summer time set Off time ting Off Function disabled DST Automatic switchover USA CDN CEST Automat switcho ver Central Europe On Set time zone Date Date Time Time of day skip time Skip time setting The time v remains unchanged 5 Click Change to save the modified settings Or click Undo to undo the changes made COMA461MT D00011 00 M XXEN 05 2013 21 BENDER Installation connection and commissioning 4 5 1 Determining address data The IP address and subnet mask set must be known for the operation of the COMA61MT If these data have been changed without making a note of the modified address data the following options are available e Enter NetBIOS name in the web browser http com461mt or com461 mt dependent on the browser Requirement COM461MT and PC must lie in the s
25. ffset Interpreting both words as unsigned integer values should result in the following values Word 1 with address 0x14 unsigned integer value gt 16709 0x4145 Word 2 with address 0x15 unsigned integer value gt 28836 0x70A4 2 Determine the correct byte or word swap There are four different combinations of swapping The only correct value is 12 34 All swapping combinations are represented in the following table COMA461MT D00011 00 M XXEN 05 2013 43 BENDER Modbus process image in the memory of the COM461MT Word 1 Word 2 Floating Hex value point sequence Byte1 Byte2 Byte3 Byte4 value A B C D CORRECT 41 45 70 M 12 34 Word swap D A B ping 70 4 41 as Byte swapping B A D 45 41 4 70 309827 Word and byte D swapping 4 70 45 41 44 COMA461MT 000011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT 7 4 Channel descriptions for the process image BENDER Measured value Value description Note alarm message operating message 0 1 0x01 Insulation fault 2 Ox02 Overload 3 0x03 Overtemperature 4 0x04 Failure line 1 5 0x05 Failure line 2 6 0x06 Insul fault OP light Operating 7 0x07 8 0x08 cen distribution 9 0x09 Failure oxygen 10 0x0A Failure vacuum 11 Anaesthetic gas 12 Ox0C Compressed air 5 bar 1
26. hannel 33 to 64 Reference data records of the process image Address assignment of the reference data record Reference value on channel 1 Reference value on channel 2 Explanation of how to access floating point values Channel descriptions for the process image Modbus control commands Tabular data Dimension diagram ierit recreo tedio 61 Standards approvals certifications 61 COMA461MT D00011 00 M XXEN 05 2013 Table of Contents E BENDER 84 Ordering data detecte eite e dicii 62 PERIODE dir 63 9 1 Damage in 63 92 Malfunctions 9 2 1 What should be checked COMA461MT D00011 00 M XXEN 05 2013 5 BENDER 1 Making effective use of this document 1 1 How to use this manual This operating manual is aimed at qualified experts in electrical en gineering and communications technology To make it easier for you to understand and revisit certain sections of text and instructions in the manual we have used symbols to identify important in structions and information The meaning of these symbols is explained below Information calling attention to hazards are marked with this warning symbol Information intended to assist the user to make optimum use of the product are marked with the Info symbol 1 2 Overview of chapters e Making eff
27. he COM461MT The start addresses provide the following reference values 0 0000 TEST device type 0 000 1 common alarm LSB of the high byte is set 0 0010 230 V undervoltage reference value on channel 1 0 0014 12 34 A overcurrent reference value on channel 2 7 3 2 Reference value on channel 1 The following reference value is stored in this channel 230 0 V undervoltage Word 0x10 Ox11 0x12 0x13 HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte 0x43 0x66 0x00 0x00 0x00 0x04 0x00 Ox4D Floating point value Float AT amp T R amp U Description 230 0 Undervoltage Tab 7 4 Reference data stored in channel 1 42 COMA461MT D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 3 3 Reference value on channel 2 The following reference value is stored in this channel 12 34 Word 0x14 0x15 0x16 0x17 HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte 0x41 0x45 0x70 4 0 00 0 03 0 00 4 Floating point value Float AT amp T R amp U Description Tab 7 5 Reference data stored in channel 2 7 3 4 Explanation of how to access floating point values The test value 12 34 can be read out via Modbus TCP using Modbus function 4 at the address 0x0014 The test value has a size of 2 words Proceed as follows 1 Determine the correct byte o
28. n a BMS device Hex representation horizontal units vertical sixteens Abbreviations for memory contents C Common alarm D Device lost device failure R Reserved A detailed description of the data formats for the device name timestamp etc is given below 7 2 3 Device name Word 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 ASCII text 10 words 20 bytes The device name is set using a BMS bus scan COMA461MT D00011 00 M XXEN 05 2013 33 BENDER Modbus process image in the memory of the COM461MT 7 2 4 Timestamp Word 0x0B 0x0C 0x0D HiByte LoByte HiByte LoByte HiByte LoByte HiByte LoByte Year Month Day Hour Second Re YY MM DD hh mm 55 served The timestamp is set according to a datagram received from a transmitting device 7 2 5 C Commonalarm D Device lost device failure Word OxOE HiByte LoByte S E Common alarm 1 byte Device error 1 byte 5 0 1 LSB 0 1 The common alarm bit is set as soon as an alarm status from the respective BMS device is detected The device error bit is set when communication with the respective BMS de vice is no longer possible 34 COMA461MT D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 2 6 Channels 1 32 With analogue and or digital valu
29. n order to ensure proper functioning of the BMS Ethernet gateway COMA61MT correct address assignment and termination of the BMS bus is of utmost importance Assigning addresses that are already used by existing de vices in the BMS or TCP IP networks concerned may cause serious malfunctions Ensure correct address setting and termination of the COM461MT For details refer to the chapter basic configuration from page 19 2 4 Protection against unauthorized access Risk of damage to equipment due to unauthorized access Attackers from the Internet may be able to read data and to change settings Itis absolutely necessary to ensure that the network is separated from the Internet common security mechanisms are applied firewall VPN access 10 COMA461MT 000011 00 M XXEN 05 2013 BENDER 3 Product description 3 1 Scope of supply You will receive e the COM461MT e an operating manual 3 2 A short description The BMS Ethernet gateway COM461MT contains a Modbus TCP server that converts the BMS data for a Modbus client A web server makes it possible to configure the COM461MT see Commis sioning on page 19 Ethernet TCP IP interface The coupling is performed via the internal Layer 2 switch Two Ethernet ports are available Interface on the BMS side COMA61MT can be operated as a master or slave 3 3 Properties e Setting of the IP address BMS address and time date using standard web browser e
30. n the memory of the COM461MT Bit 7 6 5 4 3 2 1 0 Meaning oj o x x X X X X _ 1 E OTI X X X X X X True value is smaller 5 5 True value is larger 1 1 X X X Invalid value The unit is coded in the bits 0 to 4 The bits 6 and 7 describe the range of validity of a value Bit 5 is reserved The whole byte is calculated from the sum of the unit and the range of validity Caution If the unit byte refers to CODE the recorded value or status will result in a text message The content of this text message is listed in the table on page 39 or page 45 The floating point value contains an internal CODE but no valid measured value 38 COMA461MT 000011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 2 6 4 Channel description 5 e 4 2 o 8 5 oT S 6 Ble 51 5 E c o gt Uv c 210 5 12 9152 6 2 4 9 5 gt 2 gt 5 gt 2 5 5 v lt 5 o U nu 9 ge o
31. nal BMS bus with shielded cable e g J Y St Y 2x0 8 Ron off Switch for BMS bus termination When the device is installed A B at the end of the bus set the terminating switch to on COMA461MT D00011 00 M XXEN 05 2013 Installation connection and commissioning BENDER 4 5 Commissioning 1 Apply the supply voltage to the COM461MT The green ON LED illu minates 2 Connect the COM461MT to a PC and open a web browser 3 Enter the IP address for the COM461MT factory setting 192 168 0 254 The page for the device settings appears Settings IP address 472466064 Subnet 255 255 0 0 Bms address 2 Modbus control Of Ntp active Of Ntp Server address 192 168 0 123 UTC H v Summertime Of Date 12 11 2012 mm dd yyyy Time hhmm M skip time Change Undo Copyright 2011 BENDER Group All rights reserved COM461MT_D00011_00_M_XXEN 05 2013 19 BENDER Installation connection and commissioning Without address data it is not possible to access the de vice If the IP address and subnet mask are not known this in formation can only be found with a large amount of ef fort see Determining address data on page 22 If the factory settings are changed always note the modified address data in the following table 4 Make the necessary settings Make a note of the modified settings Para Factory Modified Meaning meter setting setting IP addr
32. oded as an alarm or message type or test type internal external The coding is similar to the data format AT amp T for the channels 1 to 32 with the exception of the additional bit 4 which is used for coding device errors e g connection faults or internal device errors 40 COM461MT_D00011_00_M_XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 3 Reference data records of the process image To make it easier to check the configuration and the Modbus TCP data access to BMS devices COM461MT provides a reference data record at the virtual BMS address 0 Areal BMS device cannot have BMS address 0 Address 0 only serves to simulate data access Special features of the Modbus communication are the byte offset and the word and byte order in the memory Big Endian At the end of this chapter a few examples of correct configuration are given which might be helpful 7 3 1 Address assignment of the reference data record As shown in the following table the Modbus start address for access to the reference data record is derived from BMS device address 0 Modbus addresses for reference data record Virtual LoByte Ps Word 00 10 14 address 0 HiByte Device Common Channel 1 Channel 0x00 type alarm Tab 7 3 Start addresses for the reference data record request COMA461MT D00011 00 M XXEN 05 2013 41 BENDER Modbus process image in the memory of t
33. on and commissioning 4 3 Installing the device Possible methods of mounting e DIN rail mounting e Screw mounting with 2 x M4 dimension diagram on page 61 tion that the device is only to be used in locations that are protected from unauthorised entry This can be installation in a switch cabinet for example ay When installing the device please take into considera 16 COMA461MT D00011 00 M XXEN 05 2013 Installation connection and commissioning E BENDER 4 4 Connecting the device For UL applications the following is to be observed Supply voltage U see nameplate and ordering data Maximum ambient temperature 55 C For use in pollution degree 2 environments Only 60 75 C copper wires are to be used Tightening torque for terminals 0 5 0 6 Nm Connectthe terminals and sockets on the COM461MT according to the wiring diagram U 5 ell ETH1 ETH2 on P og A B 5 BMS Bus 2 x RJ45 RS 485 COMA461MT D00011 00 M XXEN 05 2013 17 BENDER Installation connection and commissioning 1 2 Connection to the supply voltage 6 A fuse recommended two pole fuses should be used on IT systems For UL and CSA applications it is mandatory to use 5 A fuses ETH1 Two connections for connection to a personal computer or to ETH2 the local network hub switch router Connection using a CAT5 cable internal Layer 2 switch with cable autodetect A B Connection to the inter
34. sion 1007 Ox3EF Baud rate 56 COMA461MT D00011 00 M XXEN 05 2013 Modbus process image in the memory of the COM461MT BENDER 7 5 Modbus control commands Commands can be sent to BMS devices by an external application e g data display software Control via Modbus can be enabled or disabled on the Settings browser menu Command structure Write Read Word OxFCO1 2 4 External Internal BMS bus BMS bus BMS channel Command address address Writing to register e Towrite use function code 0x10 Write Multiple registers e Start address Number 4 registers Always set all four registers word at the same time This statement also applies if individual registers remain unchanged e Ifthere is no external BMS bus enter value 1 in this register e Ifa BMS channel number is not required enter value 0 zero in this register Reading register e Toread use function code 0x04 Read Input Registers Possible response in register Status 0 Busy Command is being processed 1 Error An error has occurred 2 Ready Command has been processed successfully COMA461MT 000011 00 M XXEN 05 2013 57 BENDER Modbus process image in the memory of the COM461MT Control commands for the internal BMS bus Register Register
35. t for a stored common alarm can also be read 7 1 2 How are the memory areas organised End of Size of Memory utilisation Start address memory area memory area Reference values 0x0000 0x0100 for test purposes Process image 0x0100 Ox95FF 0x9500 Not used Ox96FF OxFFFF 0x6900 For some Modbus clients an offset of 1 must be added to the register addresses Example process image start ad dress 0x0101 COM461MT_D00011_00_M_XXEN 05 2013 29 BENDER Modbus process image in the memory of the COM461MT The assignment of the memory addresses and the associated memory con tent is described below 7 2 Memory scheme of the process image 7 2 1 BMS device address assignment on the Modbus As illustrated in the table the Modbus start address for the respective process image is derived from the BMS device address 256 0x100 words or 512 bytes are reserved for each BMS device They contain all the information requested and transmitted from the BMS bus Modbus address ranges of the process images in the memory Word BMS device HiByte LoByte address 00 ees FF 1 0x01 Device 1 2 0x02 Device 2 I 32 0 20 Device 32 150 0x96 Device 150 Tab 7 1 Modbus start address for each BMS device for which a request can be sent 30 COM461MT_D00011_00_M_XXEN 05 2013 Modbus process image in the memory of the COM461M
36. the wiring diagram on page 17 It may also be helpful to refer to block diagrams representing an application example with an internal bus on page 14 Using the Modbus TCP functions Information about this complex field can be found from page 25 8 461 000011 00 5 2013 BENDER 2 Safety instructions 2 1 Work activities on electrical installations e Only skilled persons are permitted to carry out the work necessary to install commission and run a device or system Compliance with applicable regulations governing work on electrical installations and with the regulations derived from and associated with them is mandatory EN 50110 is of particular importance in this regard Any work on electrical installations which is not carried out properly can lead to death and injury e Ifthe device is being used in a location outside the Federal Republic of Germany the applicable local standards and regulations must be com plied with European standard EN 50110 can be used as a guide 2 2 Intended use The BMS Ethernet gateway COM461MT connects the serial BMS bus to Ethernet TCP IP networks The gateway converts alarms measured values and statuses from the BMS bus to the Modbus TCP protocol This allows connec tion to Modbus networks The gateway is operated on the internal BMS bus COMA461MT D00011 00 M XXEN 05 2013 9 BENDER Safety instructions 2 3 Address setting and termination I
37. uct description 11 Q Quick reference guide 8 R Reference data records ofthe process image 41 COMA461MT D00011 00 M XXEN 05 2013 65 BENDER S Scope of supply 11 Settings 19 Support 64 T Technical data 59 Termination 10 Termination of the BMS bus 18 Troubleshooting 63 U UL applications restrictions 17 Using this manual 7 Wiring diagram 17 Work activities on electrical installations 9 66 COMA461MT 000011 00 M XXEN 05 2013 D0001100MXXEN FZ BENDER The Power in Electrical Safety Bender GmbH amp Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com BENDER Group
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